Error starting apache, httpd: Configuration error: More than one MPM loaded
apache
Solution
Check all your enabled mods inside mods-enabled directory. If you already enabled `mpm_prefork`, you should disable the `worker` module.
sudo a2dismod worker
sudo service apache2 restart
Problem
I get the following when I try to start the apache server, I built the 2.4.6 version and have placed in a local location. ``` [apacheas@twproxy1 bin]$ ./apachectl -k start AH00534: httpd: Configuration error: More than one MPM loaded. ``` Based on some information provided on some sites, I tries to list down the modules available (not sure!) as below. ``` [apacheas@twproxy1 bin]$ ./httpd -l Compiled in modules: core.c mod_so.c http_core.c event.c ``` What could be going wrong? This is related to the recent Heart Bleed bug in openssl -- for which we were advised to upgrade both apache and openssl version. We did all, but stuck with the above problem/